On Iran, Trump officials say the US mission is 'that simple.' It depends who's doing the talking

President Donald Trump's administration is trying to explain why it struck Iran and killed its supreme leader without clear support from Congress or allies

March 5, 2026Updated: March 5, 2026
AP nullBy LAURIE KELLMAN and FARNOUSH AMIRI

Iran's . Its . Its . The ruling . .

All of the above are part of the Trump administration's shifting rationale for and without first seeking the buy-in of Congress and U.S. allies. There's more that's unclear about launched by the president and — including an exit strategy, a timeline and who President Donald Trump wants to take control of Iran from what he calls the “sick people” who run it now.

What makes the latest U.S.-Iran conflict different from a series of others is that the Trump administration’s own officials do not appear to be clear or uniform on the important questions at hand: Why and why now?

“It’s the standard practice to agree on the rationale before you start and then stick to delivering a consistent messaging,” said David Schenker, a former Trump administration official who is now a fellow at the Washington Institute for Near East Policy. “But that’s a challenge for this administration.”

By Wednesday, the White House was to launch Operation Epic Fury as a consideration of past Iranian threats to the U.S. "and the president's feeling, based on fact, that Iran does pose an imminent and direct threat to the United States of America.” Analysts say that's unclear.

Here's a curated selection of the Trump administration's explanations over the last week as the U.S.-Israel conflict with Iran expanded into a war.

WHAT THEY SAID after the U.S.-Israel strikes on Iran last summer:

— “THE NUCLEAR SITES IN IRAN ARE COMPLETELY DESTROYED!” — Trump in a June 24, 2025, .

WHAT THEY SAID after a reported intelligence analysis suggested Iran's nuclear program had only been :

— “That is a false story, and it’s one that really shouldn’t be re-reported.” — Secretary of State Marco Rubio in a June 25, 2025, .

WHAT THEY SAID since the strike that :

— “If we didn’t do what we’re doing right now, you would have had a nuclear war and they would have taken out many countries because, you know what? They’re sick people.” — Trump on Tuesday at the White House.

THE BACKGROUND:

Iran has long insisted its program is peaceful, but the United Nations' nuclear watchdog and Western nations say Tehran had an organized nuclear weapons program up until 2003.

The current state of the program remains a mystery as officials have not allowed the International Atomic Energy Agency access to that were bombed since June. That is according to a confidential report by the watchdog circulated to member states and seen Feb. 27 by The Associated Press.

For its part, Iran has said it . Satellite photos analyzed by the AP have , suggesting Iran was trying to assess and potentially recover material.

Iran is legally obliged to cooperate with the IAEA under the Treaty on the Non-Proliferation of Nuclear Weapons, but it after the war with Israel.

WHAT THEY SAID:

— “Iran possesses a very large number of ballistic missiles, particularly short-range ballistic missiles, that threaten the United States and our bases in the region, and our partners in the region, and all of our bases in the UAE, Qatar and Bahrain.” — Rubio .

— “The regime already had missiles capable of hitting Europe and our bases — both local and overseas — and would soon have had missiles capable of reaching our beautiful America.” — Trump during at the White House on Monday.

— Iran “was building powerful missiles and drones to create a conventional shield for their nuclear blackmail ambitions.” — Defense Secretary Pete Hegseth during the Monday Pentagon briefing.

THE BACKGROUND:

Iran hasn’t acknowledged that it is seeking to build intercontinental ballistic missiles. The country currently has a self-imposed limit on its ballistic missile program, limiting their range to 2,000 kilometers (1,240 miles). That puts all of the Mideast and some of Eastern Europe in range.

Trump administration officials told congressional staffers in private briefings on Sunday that Iran was preparing to launch a preemptive strike against the U.S. The administration officials instead acknowledged there was a more general threat from Iran and proxy forces.

"There’s been a lot of reporting that the assessments from the intelligence and military didn’t suggest that there was going to be an Iranian first strike,” said Naysan Rafati, senior Iran analyst at the Washington-based International Crisis Group. “My sense has been that opportunity is at least as much of a significant factor as threats, certainly.”

WHAT THEY SAID:

— “We knew that there was going to be an Israeli action. And we knew that if we didn’t preemptively go after (Iran) before they launched those attacks, we would suffer higher casualties.” — Rubio to reporters on Monday.

— “Israel was determined to act in its own defense here, with or without American support.” — House Speaker Mike Johnson, R-La., . If that happened, he added, “exquisite intelligence” by the U.S. indicated that Iran would retaliate against American assets. “If we had waited, the consequences of inaction on our part could have been devastating,” he said.

— “No," Trump told reporters at the White House on Tuesday, when asked if Israel had forced his hand on attacking Iran. "If anything, I might have forced Israel’s hand.”

THE BACKGROUND:

There is no sign that Israel was forced into cooperating with the U.S. in the strike.

An Israeli military official, on customary condition of anonymity, on Wednesday described lockstep planning between the U.S. and Israel. Three weeks before the strikes, Israel understood that the operation was pointing toward another confrontation with Iran and sent a team to the Pentagon, the official said. On Friday, the Israeli army deliberately suggested that the military was standing down for the weekend, releasing photos suggesting that staffers and senior commanders were heading home for Shabbat dinner.

The shared information allowed the strikes to be carried out hours later in a surprise daylight attack, people familiar with the operation over the weekend. The eventual barrage of came so quickly that they were nearly simultaneous — with three strikes in three locations hitting within a minute — killing Khamenei and some 40 senior figures, another Israeli military official said Sunday.

During the strikes, the U.S. and Israeli war rooms were synchronized in real time to allow for quick adjustments, the first Israeli military official said Wednesday.

In a televised address, Prime Minister Benjamin Netanyahu declared that Israel had carried out the strikes “in full cooperation” with the U.S.

WHAT THEY SAID:

— “If Iran shoots and violently kills peaceful protesters, which is their custom, the United States of America will come to their rescue. We are locked and loaded and ready to go.” — Trump on Jan. 2.

— “When we are finished, take over your government. It will be yours to take." — Trump to Iranians on Truth Social just after the first strikes.

— “This is not a so-called regime change war. But the regime sure did change, and the world is better off for it." — Hegseth at the Pentagon on Monday.

THE BACKGROUND:

Washington has with regime change. See Vietnam, Panama, Nicaragua, and after Sept. 11, 2001, and just weeks ago.

And in Iran, the CIA in 1953 helped engineer a coup that toppled Iran’s democratically elected leader and gave near-absolute power to . But as with the shah, who was overthrown in Iran’s 1979 Islamic Revolution, regime change rarely goes as planned.

That's in part because it's fundamentally out of Trump's complete control, as he acknowledged Tuesday.

“Most of the people we had in mind are dead,” he told reporters. “Now we have another group. They may be dead also based on reports. So, I guess you have a third wave coming, and pretty soon we’re not going to know anybody."

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Josef Federman and Julia Frankel in Jerusalem contributed to this report from Jerusalem.

The re-obliteration of Iran's nuclear program

Iran's ballistic missiles

Israel's role

Trump has been both for and against regime change in Iran. Now what?